Cisco NX-OS 6.2(2) on Nexus 7000 switches allows local users to cause a denial of service via crafted sed input, aka Bug ID CSCui56136.
http://tools.cisco.com/security/center/viewAlert.x?alertId=34131
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0684